A formable, deformable or shapeable toy snake or snake accessory is provided. The toy, snake can include one or more head weights, such as a plurality of weighted head beads. The body of the toy snake is deformable and is made of bendable material that may have elastic or springing properties. The tail of the toy snake can include a plurality of tail beads. At least some of the head weights may push the head forward when a user swings a central section of the snake with forward and then rearward acceleration. The head weight or weights cause a mouth of the toy snake to open as a weight of the head weight or weights pushes the head of the snake forward.